/// <summary>
/// 编辑摄像头参数配置方案，并保存
/// 注意：如果想要将该摄像头参数配置设置为默认，
/// 在实体中赋值DefaultSetting是没有用的，
/// 请通过赋值方法第二个参数值AsDefault来进行操作
/// 如果存在什么错误，会通过异常抛出
/// </summary>
/// <param name="settingEntity">要修改的配置</param>
/// <param name="AsDefault">是否设置为默认的摄像头配置</param>
public void EditVideoSetting(VideoSettingEntity settingEntity, bool AsDefault = false)
{
List <VideoSettingEntity> settings = GetAllVideoSettings();
if (settings == null)
{
settings = new List <VideoSettingEntity>();
}
//找到旧的配置方案
VideoSettingEntity oldSettingEntity = settings.Find(m => m.VideoSettingName == settingEntity.VideoSettingName);
//判断是否找到旧的配置方案
if (oldSettingEntity == null)
{
throw new Exception("未找到该配置方案的旧方案，无法修改");
}
//移除旧的配置方案
settings.Remove(oldSettingEntity);
//赋值新的配置方案的是否为默认配置
if (AsDefault)
{
settings.ForEach(m => m.DefaultSetting = false);
}
settingEntity.DefaultSetting = AsDefault;
//将修改后的配置方案保存到方案集合中
settings.Add(settingEntity);
//持久化到文件中
FlushDataToXmlFile(settings);
}
/// <summary>
/// 保存摄像头参数配置方案
/// 如果存在什么错误，会通过异常抛出
/// </summary>
/// <param name="setting">要保存的摄像头参数配置</param>
/// <param name="AsDefault">是否将此摄像头参数配置设为默认配置</param>
public void SaveVideoSetting(VideoSettingEntity setting, bool AsDefault = false)
{
List <VideoSettingEntity> settings = GetAllVideoSettings();
if (settings == null)
{
settings = new List <VideoSettingEntity>();
}
//判断配置名称字段是否赋值
if (string.IsNullOrEmpty(setting.VideoSettingName))
{
throw new Exception("必须赋值配置名称字段(VideoSettingName)");
}
//判断是否已经存在同名的配置方案
if (settings.Find(m => m.VideoSettingName == setting.VideoSettingName) != null)
{
throw new Exception("已经存在同名的配置了");
}
//如果要将保存的视频信息设为默认
if (AsDefault)
{
settings.ForEach(m => m.DefaultSetting = false);
setting.DefaultSetting = true;
}
//将摄像头参数配置保存到文件中
if (setting != null)
{
settings.Add(setting);
}
FlushDataToXmlFile(settings);
}
/// <summary>
/// 将一个配置方案设置为默认配置，
/// 该配置方案必须是已经存在的配置
/// </summary>
/// <param name="setting">要设为默认配置的摄像头配置</param>
/// <returns>成功则返回true，失败则返回false</returns>
public bool SetDefaultSettings(VideoSettingEntity setting)
{
List <VideoSettingEntity> settings = GetAllVideoSettings();
if (settings == null)
{
settings = new List <VideoSettingEntity>();
}
//将所有的配置设置为非默认
settings.ForEach(m => m.DefaultSetting = false);
//找到要设置为默认的配置
var defaultSetting = settings.Find(m => m.VideoSettingName == setting.VideoSettingName);
defaultSetting.DefaultSetting = true;
//持久化到文件中
FlushDataToXmlFile(settings);
return(true);
}
/// <summary>
/// 删除一个摄像头配置
/// 如果存在什么错误，会通过异常抛出
/// </summary>
/// <param name="settingEntity"></param>
public void DeleteVideoSetting(VideoSettingEntity settingEntity)
{
List <VideoSettingEntity> settings = GetAllVideoSettings();
if (settings == null)
{
settings = new List <VideoSettingEntity>();
}
//找到这个要删除的摄像头配置
VideoSettingEntity deleteSettingEntity = settings.Find(m => m.VideoSettingName == settingEntity.VideoSettingName);
//判断是否找到要删除的配置方案
if (deleteSettingEntity == null)
{
throw new Exception("未找到该配置方案的旧方案，无法修改");
}
//删除这个配置方案
settings.Remove(deleteSettingEntity);
//持久化到文件中
FlushDataToXmlFile(settings);
}
/// <summary>
/// 获取当前用户保存的所有摄像头设置
/// </summary>
/// <returns>当前用户保存的所有摄像头设置</returns>
public List <VideoSettingEntity> GetAllVideoSettings()
{
List <VideoSettingEntity> result = new List <VideoSettingEntity>();
#region 读取文件
if (!File.Exists(_VideoSettingRealPath))
{
return(null);
}
//先解密这个文件
Base64Helper.Base64Decode4txtFile(_VideoSettingRealPath);
XmlTextReader reader = new XmlTextReader(_VideoSettingRealPath);
VideoSettingEntity setting = null;
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
if (reader.Name == nameof(VideoSettingEntity))
{
setting = new VideoSettingEntity();
result.Add(setting);
}
if (reader.Name == nameof(setting.VideoSettingName))
{
setting.VideoSettingName = reader.ReadElementContentAsString();
}
else if (reader.Name == nameof(setting.Brightness))
{
if (setting != null)
{
setting.Brightness = reader.ReadElementContentAsInt();
}
}
else if (reader.Name == nameof(setting.AutoBrightness))
{
if (setting != null)
{
setting.AutoBrightness = reader.ReadElementContentAsBoolean();
}
}
else if (reader.Name == nameof(setting.ContrastRatio))
{
if (setting != null)
{
setting.ContrastRatio = reader.ReadElementContentAsInt();
}
}
else if (reader.Name == nameof(setting.AutoContrastRatio))
{
if (setting != null)
{
setting.AutoContrastRatio = reader.ReadElementContentAsBoolean();
}
}
else if (reader.Name == nameof(setting.Saturation))
{
if (setting != null)
{
setting.Saturation = reader.ReadElementContentAsInt();
}
}
else if (reader.Name == nameof(setting.AutoSaturation))
{
if (setting != null)
{
setting.AutoSaturation = reader.ReadElementContentAsBoolean();
}
}
else if (reader.Name == nameof(setting.DefaultSetting))
{
if (setting != null)
{
setting.DefaultSetting = reader.ReadElementContentAsBoolean();
}
}
else if (reader.Name == nameof(setting.Hue))
{
if (setting != null)
{
setting.Hue = reader.ReadElementContentAsInt();
}
}
else if (reader.Name == nameof(setting.AutoHue))
{
if (setting != null)
{
setting.AutoHue = reader.ReadElementContentAsBoolean();
}
}
else if (reader.Name == nameof(setting.Sharpness))
{
if (setting != null)
{
setting.Sharpness = reader.ReadElementContentAsInt();
}
}
else if (reader.Name == nameof(setting.AutoSharpness))
{
if (setting != null)
{
setting.AutoSharpness = reader.ReadElementContentAsBoolean();
}
}
else if (reader.Name == nameof(setting.Gamma))
{
if (setting != null)
{
setting.Gamma = reader.ReadElementContentAsInt();
}
}
else if (reader.Name == nameof(setting.AutoGamma))
{
if (setting != null)
{
setting.AutoGamma = reader.ReadElementContentAsBoolean();
}
}
else if (reader.Name == nameof(setting.ColorEnable))
{
if (setting != null)
{
setting.ColorEnable = reader.ReadElementContentAsBoolean();
}
}
else if (reader.Name == nameof(setting.WhiteBalance))
{
if (setting != null)
{
setting.WhiteBalance = reader.ReadElementContentAsInt();
}
}
else if (reader.Name == nameof(setting.AutoWhiteBalance))
{
if (setting != null)
{
setting.AutoWhiteBalance = reader.ReadElementContentAsBoolean();
}
}
else if (reader.Name == nameof(setting.BacklightCompensation))
{
if (setting != null)
{
setting.BacklightCompensation = reader.ReadElementContentAsInt();
}
}
else if (reader.Name == nameof(setting.AutoBacklightCompensation))
{
if (setting != null)
{
setting.AutoBacklightCompensation = reader.ReadElementContentAsBoolean();
}
}
else if (reader.Name == nameof(setting.Gain))
{
if (setting != null)
{
setting.Gain = reader.ReadElementContentAsInt();
}
}
else if (reader.Name == nameof(setting.AutoGain))
{
if (setting != null)
{
setting.AutoGain = reader.ReadElementContentAsBoolean();
}
}
}
}
//关闭流
reader.Close();
reader = null;
GC.Collect();
#endregion
//重新加密这个文件
Base64Helper.Base64Encode4txtFile(_VideoSettingRealPath);
return(result);
}
/// <summary>
/// 切换摄像头配置为指定配置方案
/// 配置方案可以由GetAllCameraSettings进行传参
/// </summary>
/// <param name="setting">摄像头配置方案</param>
/// <param name="asDefault">是否将此配置设为默认配置</param>
/// <returns></returns>
public int ChangeCameraConfigToSetting(VideoSettingEntity setting, bool asDefault = false)
{
return(DirectShow.Instance.ChangeCameraConfigToSetting(setting, asDefault));
}
